项目结构类名称优化

src/main/java/com/label/service/TaskClaimService.java

@@ -9,7 +9,7 @@ import com.label.entity.AnnotationTask;
 import com.label.entity.AnnotationTaskHistory;
 import com.label.mapper.AnnotationTaskMapper;
 import com.label.mapper.TaskHistoryMapper;
-import com.label.util.RedisKeyManager;
+import com.label.util.RedisUtil;
 
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -48,7 +48,7 @@ public class TaskClaimService {
      */
     @Transactional
     public void claim(Long taskId, TokenPrincipal principal) {
-        String lockKey = RedisKeyManager.taskClaimKey(taskId);
+        String lockKey = RedisUtil.taskClaimKey(taskId);
 
         // 1. Redis SET NX 预锁（快速失败）
         boolean lockAcquired = redisService.setIfAbsent(
@@ -104,7 +104,7 @@ public class TaskClaimService {
                 .set(AnnotationTask::getClaimedAt, null));
 
         // 清除 Redis 分布式锁
-        redisService.delete(RedisKeyManager.taskClaimKey(taskId));
+        redisService.delete(RedisUtil.taskClaimKey(taskId));
 
         insertHistory(taskId, principal.getCompanyId(),
                 "IN_PROGRESS", "UNCLAIMED",
@@ -145,7 +145,7 @@ public class TaskClaimService {
 
         // 重新设置 Redis 锁（防止并发再次争抢）
         redisService.setIfAbsent(
-                RedisKeyManager.taskClaimKey(taskId),
+                RedisUtil.taskClaimKey(taskId),
                 principal.getUserId().toString(), CLAIM_LOCK_TTL);
 
         insertHistory(taskId, principal.getCompanyId(),